I was just reading the Beginning OpenGL Game Programming book (Page 231) and I came accross the function glDrawArrays(). Now the prototupe for this function is: void glDrawArrays(GLenum mode, GLint first, GLsizei count); Now I understood what mode is from the books explanation but i have no idea what first and count are or what they represent. Could somebody please tell me what first and count are there for.

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first - Specifies the starting index in the enabled arrays.
count - Specifies the number of indices to be rendered.

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Thankyou that helped alot. And your right I should have checked google first.